Remove wasmi backend from sc-executor (#13800)

* refactor: use builder api for all executors

* improve a lot

* remove unused args

* cleanup deps

* fix inconsistency about heap alloc

* add `heap_pages` back to try-runtime

* fix

* chore: reduce duplicated code for sc-service-test

* cleanup code

* fmt

* improve test executor

* improve

* use #[deprecated]

* set runtime_cache_size: 4

* wip

* fix and improve

* remove sc-executor-wasmi deps

* clean up bench and tests

* delete "client/executor/wasmi"

* cleanup

* refactor builder

* fix

* fix bench

* fix tests

* fix warnings

* fix warnings

* fix

* fix

* remove wasmi and fix tests

* unused imports

* improve by suggestions

* Update client/cli/src/arg_enums.rs

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Co-authored-by: Bastian Köcher <[email protected]>
Co-authored-by: parity-processbot <>